Car-roof.



J. J. HOFFMAN.

A GAR Roof. l AYPLIUATIOI FILED IFBB. 1'?, 1913.

, J. J. HOFFMAN.

GAB ROOF.

- over the 'upper edge thereof, but will run olf in the channel as fastas it enters. Furthermore, by reason of the lip 12 `resting normally onthe adjacent roof sheet, and there being a space between the edge of theporion lQ andend of the groove '7, the water, unless driven withconsiderable force, will flow clown said groove 7 and ont at the eaves.To prevent the water which may run down the groove 7 from backing up atthe eaves, the portions of the lip 6 which are turned down over theeaves are perforated, as at 6, to pro vide a free outlet.

The roofing sheets are secured at the eaves by clips or castings 'lehaving hood portions 15 adapted to fit loosely over the ribs so as topermit va limited movement tothe. sheets; while at intervals between theseams the sheets may be retained by the ordinary clips.

At the center of the car the seain .plus are perforated and preferablyflanged' Upward,

as at 16, adjacent to the wall 9, for the-passage therethrough of 'theboli-17 which secures the running board saddlelS in place; and theadjacent portion of the flange 8 of the adjoining roo indented, as at19. lt is, of course, understood that the indented portiori 19 of theange 8 is spaced from the other wall 11 vof the rib a distancesufiicie'nt yto permit the portion 12 to be slipped -into and out. ofplace under the lip ln order to stiffenthe hollow ribbed portions of theroofing sheets, the top and side walls of the ribs :ipe corrugated. atintervals throughout the length of the sheet, the corrugatons 20 in thetop wall extending preferably' diagonally and the respective verticalcorrugations 21 in the side walls being continuations of said topcorrugations. The corrugations are located relatively close to eachother so that a person walking on the roof will not be liable to treadbetween the corrugations on top of the ribs. That is, the adjacent endsof the respective corrugations are so close together that should aperson tread directly between them, the sole of his shoe will lap overthe ends of two adjacent corrugations. These corrugations whilepreventing the topy wall from being crushed in, also prevent the sidewalls from spreading or collapsing.

Obviously the structure admits of considveralole modification withoutdeparting from the invention, therefore l donot wish to be limited tothe exact construction land arrangement shown.

That I claim is:

1. A. car roof compri/sing movably mounty ved metal sheets bentintermediate their ends and connected by loose waterproof seams, saidroof sheets. being partlyl over and partly under their fellows, the.under parts having opstanding flanges along the mar` gms thereof anddoubled up folds 1n said sheet is :correspondingly y sheets parallelwith and reflexed to v said flanges forming overhanging spacedtherefrom, the tops of said lips @i ing lower than the tops of saidupstamlrog said under parts and consisting of in v i channels withoutwardly projet-tin r ila along the lower edges of their side n saidchannels straddling oversaid upstaii spaced therefrom, the outwardlyprojcelmf flanges of said channels underlying' the overhanging lips ofsaid sheets, the clero width within said inverted channels by verticaland sidewisey movements.

2. A car roof compnsing .movably mount and connected by loose'waterproof seams, said roof sheets being partly over and partly undertheir fellows, the under parts having upstanding flanges' alon spacedtherefrom, and the upper parts lap ping over said under parts andconsisting of inverted channels with outwardly projecting flanges alongthe lower edges of their side walls, said channels straddling over saidupstanding flanges and having their side Walls spaced therefrom, theoutwardly projecting flanges of said channels underlying the overhanginglips of said sheets, the clear width'within said inverted channelsbetween their side walls and the opstanding flanges of the under partsof said sheets upon which s aid side walls respectively rest beinggreater than the width of the respective portions of the projectingfianges'underlying the overhanging lips of said sheets, wherebyintermediate sheets can be assembled and removed singly from the roof byvertical and sidewise movements.

A car roof comprising movably mounted metal sheets connected by loosewaterproof seams, said roof sheets being partly over and partly undertheir fellows, the under parts having upstanding llanges along themargins thereof and doubled up folds in said sheets parallel witlnandreflexed toiward said flanges forming overhanging lips spaced therefrom,and the upper parts lapping over said under parts and consisting ofinverted channels with outwardly projecting flanges along the loweredges of their side walls, said channels straddling over said npstandingflanges and haying their llanges, and the upper parts lapping meiA ingflanges and having their side wail.-v

twcen their side walls and the upstandin: A

sembled and removed singly from the root` ed metal sheets bentintermediate their ende l the marI gine thereof and doubled up fo ds insaid I sheets parallel with and flexed .toward said flanges formingoverhanging l ing lip.

yn'og'fcmng iangeg of ing the overl Qing ps ci: sail@ 1mi Width u insaid Ween hair side walls an n of fighe under pair* upn which said sidebeing' gi than file Wi izvfepi of the fina v ma ovehangug lpa; o,-`

ftaryneaz-e shees can ami moving *this sheets adj cent therein A ca?mail comprgng metal mmabymsuned on ahesubstructul' sheei's 1 sing urneddown ove? the (Vieri complsing an upsta the margin S sheet. :formd by fesaid 0x 'he @wes im refexpori,

the adjning sheet adiacent "iba ma mgin I; .1 sani rsh mentioned smeet,sala located adjacent "a0 the immer said db, a marginal iin A tomd sheetoutside of ymg the ovehangmg rst mentioned snaai.

ed mezi sees @mueca proof seams, said seams com. standing gang-e a thfol'med by a said sheet spaced inwar, "mm s ange :a reativel Wide hoo'w1 f @wading b on the aajoining adjace; J zo ik@ magjn ber@ of, zuid amagna Hp on said s-eond` mentioned sheet mztside of said ri 'f lof 'saidSeond shee lapping shae wij/h said hollow' rib :un said marga! mi lipunerly s hmgmgmp psrgwn ou sala simi, th@ dem ma? inmr side wall :m 311ggreater than 'the W1 Suid marginal hp 1 d lndery (S, A metal car mail yof like mmf meets eFH-enfin@ C' imm of he Caz from eaves to am along tuumrg'ms, ine 0 sit ble/neg ruined at nis @wmf Hung notch and ih@Qverlaappezi eaves and Connected by loog@ waepmf seams, said 4ons ha uih@ leglon G1 me smdlng sa. i d sheet.

na flange mtlon of Lash o;

u mie @95e Sain Snee s111995 mijl-cant hexe in vert-ica ntegprlsmg anupr @ne mm'gm 03: 1. skelet; an

m of b" t osening. Signe@ Louis5 "mui-1,: tins ih

